CN209765708U - Driver early warning device - Google Patents
Driver early warning device Download PDFInfo
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- CN209765708U CN209765708U CN201920676127.3U CN201920676127U CN209765708U CN 209765708 U CN209765708 U CN 209765708U CN 201920676127 U CN201920676127 U CN 201920676127U CN 209765708 U CN209765708 U CN 209765708U
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Abstract
The utility model provides a driver early warning device, which comprises an image acquisition device, a central processing device and a voice alarm device; the image acquisition equipment is used for acquiring a driver state video image in real time; the central processing device is configured with a plurality of early warning instructions matched with the state of the driver, the central processing device selects corresponding early warning instructions according to the video images of the state of the driver, which are acquired by the image acquisition device, to trigger corresponding early warning trigger signals to the voice alarm device, and the voice alarm device carries out corresponding voice alarm according to the received early warning trigger signals. According to the technical scheme, different early warning instructions are carried out on the state of the driver, the voice alarm equipment receives the corresponding trigger signals to carry out corresponding voice reminding according to the instruction trigger signals, the equipment is clear in reminding purpose and high in expansibility, the accuracy of state recognition of the driver in the driving process is improved, and traffic accidents caused by the driver can be reduced.
Description
Technical Field
The utility model relates to an automobile safety system field, concretely relates to driver early warning device.
Background
Along with the development of the automobile industry, the automobile yield is increased day by day, the caused traffic accidents are also increased continuously, and along with the higher and higher demands of people, the safety of automobiles is more and more valued by people. Wherein the condition of the driver is an important cause of the traffic accident. However, fatigue driving of the driver is difficult to avoid, and when the driver moves forward at a speed of 100km/h, after two hours, the physiological function enters a sleep state, and the initiative is reduced.
in general, the occurrence rate of accidents becomes extremely high when the driver drives more than six hours a day or sleeps less than 4-5 hours a day before. In addition, with the popularization of smart phones, more and more drivers are used to play with the smart phones in the driving process, so that the accident rate is greatly increased. In the data statistics of traffic accidents, traffic accidents caused by driver factors account for about 72%, 25% -30% of car accidents are caused by fatigue driving, and 40% of major accidents are caused by fatigue driving; the experience of fatigue driving exists in 70% of drivers on the highway, and the number of mobile phones seen during driving is more huge.
At present, some driver state monitoring systems exist in the market, but aiming at the single fatigue state of the driver, a conventional reminding mode is adopted, and various dangerous driving behaviors made by the driver in the driving process are not reminded. When the driver is tired, a warning icon or a voice prompt is displayed on the instrument. However, the driver needs to look down to display the warning icon on the instrument, and at the moment, the sight of the driver is away from the road condition in front of the vehicle, so that potential safety hazards exist; the early warning is carried out through sound, people feel very sudden, and a voice reminding mode is adopted by many driving assistance systems (ADAS), but the driver confusion is easily caused by single voice reminding.
therefore, the driver is actively warned of dozing and dangerous driving behaviors by early warning, and the method has great significance for the individual driver, the family driver and the enterprise society.
SUMMERY OF THE UTILITY MODEL
the utility model provides a driver early warning device for the real time monitoring driver appears driver fatigue or makes dangerous driving action and gives the police dispatch newspaper and remind in driving process, reduces the traffic accident that leads to because the driver. And the abnormal state of the driver is transmitted to the terminal platform management center so as to take effective measures in time to avoid accidents.
The utility model provides a technical scheme as follows:
A driver early warning device comprises a central processing device, an image acquisition device and a voice warning device;
The image acquisition equipment is used for acquiring a driver state video image in real time;
the central processing equipment is configured with a plurality of early warning instructions matched with the state of the driver, and the central processing equipment selects corresponding early warning instructions according to the video images of the state of the driver, which are acquired by the image acquisition equipment, to trigger corresponding early warning trigger signals to the voice alarm equipment;
The voice alarm equipment is used for carrying out corresponding voice alarm according to the received early warning trigger signal.
further, the driver early warning device also comprises wireless communication equipment, wherein the wireless communication equipment comprises a CAN bus module, a 4G communication module and a GPS positioning module; the central processing equipment acquires vehicle information data in real time through the CAN bus module; the GPS positioning module is used for acquiring vehicle position information in real time; and the central processing equipment sends the abnormal video of the state of the driver, the real-time vehicle information data and the position information to a terminal platform management center through a 4G communication module.
Further, the early warning instruction is configured with a first early warning instruction, a second early warning instruction, a third early warning instruction, a fourth early warning instruction, a fifth early warning instruction, a sixth early warning instruction and a seventh early warning instruction according to the state of the driver;
When the central processing equipment selects the first early warning instruction according to the video image of the state of the driver, the central processing equipment triggers a first early warning trigger signal to the voice alarm equipment according to the first early warning instruction, so that the voice alarm equipment sends out a first voice reminding alarm according to the first early warning trigger signal;
When the central processing equipment selects the second early warning instruction according to the video image of the state of the driver, the central processing equipment triggers a second early warning trigger signal to the voice alarm equipment according to the second early warning instruction, so that the voice alarm equipment sends out a second voice reminding alarm according to the second early warning trigger signal;
when the central processing device selects the third early warning instruction according to the driver state video image, the central processing device triggers a third early warning trigger signal to the voice alarm device according to the third early warning instruction, so that the voice alarm device sends out a third voice reminding alarm according to the third early warning trigger signal;
when the central processing device selects the fourth early warning instruction according to the video image of the state of the driver, the central processing device triggers a fourth early warning trigger signal to the voice alarm device according to the fourth early warning instruction, so that the voice alarm device sends out a fourth voice reminding alarm according to the fourth early warning trigger signal;
when the central processing device selects the fifth early warning instruction according to the video image of the state of the driver, the central processing device triggers a fifth early warning trigger signal to the voice alarm device according to the fifth early warning instruction, so that the voice alarm device sends a fifth voice reminding alarm according to the fifth early warning trigger signal;
when the central processing device selects the sixth early warning instruction according to the driver state video image, the central processing device triggers a sixth early warning trigger signal to the voice alarm device according to the sixth early warning instruction, so that the voice alarm device sends a sixth voice reminding alarm according to the sixth early warning trigger signal;
And when the central processing device selects the seventh early warning instruction according to the video image of the state of the driver, the central processing device triggers a seventh early warning trigger signal to the voice alarm device according to the seventh early warning instruction, so that the voice alarm device sends out a seventh voice reminding alarm according to the seventh early warning trigger signal.
Further, when the vehicle speed acquired by the central processing device through the CAN bus module reaches 15km/h for the first time, the central processing device receives data acquisition of 10s performed on the state of the driver by the image acquisition device to serve as initial data of the state of the driver, executes a calibration completion instruction according to the image acquisition device when the acquisition is completed, triggers a calibration completion signal according to the calibration completion instruction, and sends a calibration completion prompt according to the calibration completion signal by the voice alarm device.
further, the central processing device is connected with an input/output interface, the central processing device is connected with a data storage device through the input/output interface, the data storage device is used for storing the abnormal state information of the driver and the real-time driving behavior video of the driver, and the data storage device is also used for updating and upgrading the driver early warning device.
Further, the image acquisition equipment is arranged at the position in the range of 30 degrees right or right in front of the driver in the cab, and is tilted upwards by 5-30 degrees, and the distance between the position of the image acquisition equipment and the position of the central processing equipment is 30-120 cm.
furthermore, the antennas corresponding to the 4G communication module and the GPS positioning module are arranged at the position of the instrument desk.
further, the central processing unit is connected with a vibration seat or a smell generator through the input/output interface, so that when the central processing unit selects the first early warning instruction, the central processing unit triggers a first early warning trigger signal to the vibration seat or the smell generator according to the first early warning instruction, and the vibration seat or the smell generator executes corresponding actions according to the first early warning trigger signal to further remind a driver of safe driving.
The utility model has the advantages as follows:
(1) the driver early warning device can monitor the state of a driver in real time;
(2) The driver early warning device can execute different early warning instructions on the state of a driver and send different early warning signals to the voice warning equipment so as to send corresponding voice reminding to remind the driver of safe driving;
(3) The driver early warning device sends the abnormal state of the driver to the terminal platform management center for remote monitoring so as to take effective measures in time.
drawings
FIG. 1 is a schematic block diagram of the system structure of the present invention;
FIG. 2 is a schematic view of the connection of the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of the image capturing device of the present invention;
Reference numerals: 1-central processing equipment, 2-image acquisition equipment, 3-4G antenna, 4-GPS antenna and 5-input/output interface.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
as shown in fig. 1-3, a driver early warning device comprises a central processing device 1, an image acquisition device 2, a voice alarm device, and a wireless communication device, wherein the central processing device 1 is provided with a power interface to connect with a power supply of an automobile, so that the central processing device 1 starts to operate along with the operation of the automobile, and the central processing device 1 is connected with the image acquisition device 2.
the image acquisition device 2 is used for acquiring a driver state video image in real time, and generally adopts a high-definition camera.
the central processing device 1 includes an image recognition function, and in a specific embodiment, the image recognition function can be implemented by using an existing image recognition technology, which belongs to a mature technology in the field, and chips with the image recognition function are commercially available.
The central processing device 1 is configured with a plurality of early warning instructions matched with the state of the driver, the central processing device 1 receives the video images of the state of the driver acquired by the image acquisition device 2 in real time, the video images of the state of the driver are matched with the pre-configured state of the driver by using an image recognition technology, if the video images of the state of the driver are matched with the configured state of the driver, the early warning instructions matched with the state of the driver are selected, and then the central processing device 1 triggers corresponding early warning trigger signals to the voice warning device according to the corresponding early warning instructions.
The voice alarm device carries out corresponding voice alarm according to the received early warning trigger signal, and generally adopts a loudspeaker as voice reminding equipment.
The wireless communication equipment comprises a CAN bus module, a 4G communication module and a GPS positioning module;
The central processing device 1 acquires vehicle information data in real time through a CAN bus module, and monitors the state of a vehicle condition of a vehicle journey in real time, including the speed of the vehicle; in addition, the central processing apparatus 1 may also send alarm information to the CAN bus.
The GPS positioning module is configured to acquire vehicle position information in real time and transmit the acquired vehicle position to the central processing device 1.
when the central processing device 1 selects a corresponding early warning instruction according to the received video image of the driver acquired by the image acquisition device 2, and the central processing device 1 triggers a corresponding early warning signal according to the early warning instruction, the central processing device 1 sends the state video of the driver, the real-time vehicle condition information and the position information to the terminal platform management center through the 4G communication module, and interacts with the terminal platform management center so as to monitor and manage the driver in time.
The central processing device 1 is configured with several kinds of warning instructions matching with the driver's status, as shown in table 1 below:
The driver status specification, command type, alarm type, signal type, voice alert are as follows:
TABLE 1
the central processing device 1 is configured with a first early warning instruction, a second early warning instruction, a third early warning instruction, a fourth early warning instruction, a fifth early warning instruction, a sixth early warning instruction and a seventh early warning instruction according to the state of the driver; in addition, immediately after the device is started, facial expressions of 10 seconds and behaviors at the time of normal driving are collected for the normal state at the time of the driver's initial time as a driver characteristic posture self-calibration to be used as a normal recognition state of the central processing apparatus 1.
When the automobile is started initially, when the automobile speed acquired by the central processing device 1 according to the CAN bus module reaches 15km/h for the first time, the image acquisition device 2 acquires data of 10s of the state of the driver, the data are used as a preset state instruction of a reference in the central processing device 1, when the acquisition is completed, the central processing device sends a calibration completion signal to the voice alarm device, the voice alarm device sends a calibration completion voice to remind that the driver is calibrated to drip, and in the driving process, when the state of the driver is consistent with the preset calibration state, the central processing device 1 does not remind the driver of a trigger signal.
In the embodiment, a relatively specific reminding measure is carried out on dangerous driving behaviors and fatigue driving of the driver, so that the driver can recover the normal driving state in time, and the condition of confusion with other voice reminding is avoided.
The central processing device is connected with an input/output interface 5, and the central processing device 1 is connected with a data storage device through the input/output interface 5. The video of the real-time driving behavior of the driver is stored through the high-speed TF card, the video can be stored in the high-speed TF card every 3min, the standard definition is generally set as a default, and the 32G high-speed TF card is taken as an embodiment and can generally store the video about 3 days. The abnormal behavior information of the driver can be created into a folder in the SD card according to the year, month and day and is classified and stored according to the alarm types. In addition, the system can be upgraded and updated through the high-speed TF card.
In the embodiment, the central processing device 1 comprises a single chip microcomputer chip capable of recognizing images, and in one embodiment, a full-log T3 vehicle-scale CPU chip is adopted for recognizing and judging video images of the driver state, so that the central processing device 1 selects a corresponding warning instruction, and sends video information of the abnormal state of the driver, the vehicle condition and the position information when the central processing device 1 selects the warning instruction to the terminal platform management center.
In the embodiment, the central processing device 1 provides NTSC-system real-time analog image signal output for direction calibration when the image acquisition device is installed, and in order to better acquire the state of a driver, the image acquisition device 2 is installed on a central console in a cab and positioned at the position right in front of the driver or 30 degrees to the right, and the device is tilted upwards by 5 degrees to 30 degrees and is mainly used for acquiring the facial and trunk characteristics of the driver; and the image acquisition device 2 is adapted to the central processing device 1 at a distance ranging from 30cm to 120 cm.
The central processing device 1 can also be connected with almost all common vehicle-mounted hard disk video recorders on the market, so that the vehicle-mounted hard disk video recorders can store driving videos of drivers, and real-time GPS positioning, 4G communication module quality, vehicle speed, alarm types and GPS time information of the videos received by the central processing device can be stored in the videos.
The 4G antenna 3 and the GPS antenna 4 corresponding to the 4G communication equipment and the GPS positioning equipment are arranged on the surface of the instrument desk, so that the sight of a driver is not shielded, and the resistance of the driver to the system is reduced.
in addition, the central processing unit 1 supports two paths of 24V switching value input and one path of 24V switching value output through the input/output interface, the central processing unit 1 is connected with and controls auxiliary equipment such as a vibration seat or a refreshing smell generator and the like through the input/output interface, when a driver sleepy alarm is sent, the central processing unit 1 selects a first early warning instruction according to a state video image of the driver, and triggers a first early warning trigger signal to the auxiliary equipment such as the vibration seat or the refreshing smell generator and the like according to the first early warning instruction, and the auxiliary equipment such as the vibration seat or the refreshing smell generator vibrates the seat or sends out refreshing smell or other corresponding actions according to the first early warning trigger signal, so that the driver is further reminded of driving safely. The input/output interface 5 also comprises a USB interface, and information stored in the high-speed TF card can be copied through an external USB flash disk.
the utility model discloses a driver early warning device can effectively monitor dangerous driving action, driver fatigue etc. carries out the early warning to the driver before the occurence of failure, reduces the emergence probability of traffic accident.
The technical solution is described by using specific examples, which are only used to help understanding the technology and are not used to limit the technical solution. For those skilled in the art to which the present disclosure pertains, some simple deductions, modifications, or substitutions may be made according to the idea of the present disclosure.
Claims (8)
1. A driver early warning device is characterized by comprising a central processing device, an image acquisition device and a voice warning device;
the image acquisition equipment is used for acquiring a driver state video image in real time;
The central processing equipment is configured with a plurality of early warning instructions matched with the state of the driver, and the central processing equipment selects corresponding early warning instructions according to the video images of the state of the driver, which are acquired by the image acquisition equipment, to trigger corresponding early warning trigger signals to the voice alarm equipment;
The voice alarm equipment is used for carrying out corresponding voice alarm according to the received early warning trigger signal.
2. the driver warning apparatus according to claim 1, further comprising a wireless communication device including a CAN bus module, a 4G communication module, and a GPS positioning module; the central processing equipment acquires vehicle information data in real time through the CAN bus module; the GPS positioning module is used for acquiring vehicle position information in real time; and the central processing equipment sends the abnormal video of the state of the driver, the real-time vehicle information data and the position information to a terminal platform management center through a 4G communication module.
3. The driver warning device according to claim 1, wherein the warning instruction is configured with a first warning instruction, a second warning instruction, a third warning instruction, a fourth warning instruction, a fifth warning instruction, a sixth warning instruction, and a seventh warning instruction according to a driver state;
When the central processing equipment selects the first early warning instruction according to the video image of the state of the driver, the central processing equipment triggers a first early warning trigger signal to the voice alarm equipment according to the first early warning instruction, so that the voice alarm equipment sends out a first voice reminding alarm according to the first early warning trigger signal;
When the central processing equipment selects the second early warning instruction according to the video image of the state of the driver, the central processing equipment triggers a second early warning trigger signal to the voice alarm equipment according to the second early warning instruction, so that the voice alarm equipment sends out a second voice reminding alarm according to the second early warning trigger signal;
When the central processing device selects the third early warning instruction according to the driver state video image, the central processing device triggers a third early warning trigger signal to the voice alarm device according to the third early warning instruction, so that the voice alarm device sends out a third voice reminding alarm according to the third early warning trigger signal;
When the central processing device selects the fourth early warning instruction according to the video image of the state of the driver, the central processing device triggers a fourth early warning trigger signal to the voice alarm device according to the fourth early warning instruction, so that the voice alarm device sends out a fourth voice reminding alarm according to the fourth early warning trigger signal;
When the central processing device selects the fifth early warning instruction according to the video image of the state of the driver, the central processing device triggers a fifth early warning trigger signal to the voice alarm device according to the fifth early warning instruction, so that the voice alarm device sends a fifth voice reminding alarm according to the fifth early warning trigger signal;
When the central processing device selects the sixth early warning instruction according to the driver state video image, the central processing device triggers a sixth early warning trigger signal to the voice alarm device according to the sixth early warning instruction, so that the voice alarm device sends a sixth voice reminding alarm according to the sixth early warning trigger signal;
and when the central processing device selects the seventh early warning instruction according to the video image of the state of the driver, the central processing device triggers a seventh early warning trigger signal to the voice alarm device according to the seventh early warning instruction, so that the voice alarm device sends out a seventh voice reminding alarm according to the seventh early warning trigger signal.
4. The driver early warning device according to claim 2, wherein when the vehicle speed acquired by the central processing device through the CAN bus module reaches 15km/h for the first time, the central processing device receives the data acquisition of the driver state for 10s by the image acquisition device to be used as the initial data of the driver state, executes a calibration completion instruction according to the data acquisition completion of the image acquisition device, triggers a calibration completion signal according to the calibration completion instruction, and sends a calibration completion prompt according to the calibration completion signal by the voice warning device.
5. The driver early warning device according to claim 3, wherein an input/output interface is connected to the central processing unit, the central processing unit is connected to a data storage device through the input/output interface, the data storage device is used for storing the driver state abnormality information and the driver real-time driving behavior video, and the data storage device is also used as an update upgrade of the driver early warning device.
6. The driver warning apparatus as claimed in claim 1, wherein the image capturing device is installed in the cab at a position within 30 ° right of or directly in front of the driver, and is tilted up by 5 ° to 30 °, and the position of the image capturing device is within 30cm to 120cm from the position of the central processing device.
7. The driver warning apparatus of claim 2, wherein the antennas corresponding to the 4G communication module and the GPS positioning module are disposed at a position of the instrument desk.
8. The driver warning device according to claim 5, wherein the central processing unit is connected to a vibration seat or a smell generator through the input/output interface, so that when the central processing unit selects the first warning command, the central processing unit triggers a first warning trigger signal to the vibration seat or the smell generator according to the first warning command, and the vibration seat or the smell generator performs a corresponding action according to the first warning trigger signal, so as to further remind a driver of safe driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920676127.3U CN209765708U (en) | 2019-05-13 | 2019-05-13 | Driver early warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920676127.3U CN209765708U (en) | 2019-05-13 | 2019-05-13 | Driver early warning device |
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| CN209765708U true CN209765708U (en) | 2019-12-10 |
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| CN201920676127.3U Active CN209765708U (en) | 2019-05-13 | 2019-05-13 | Driver early warning device |
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